It takes place in the future after WWIII and the land is desolate.People are living in tribes without electricity or other modern conveniences.The protagonist father is a religious leader that takes advantage of his position to sexually exploit impressionable girls.The protagonist escapes with group of friends and come across a strange couple.The couple end up having sex with everybody.After sex the teens will either evolve or explode.Only two from the original party survive after killing the strange couple.They return to the village and take all of the children away.The End

Now I'm working in China and want to watch this movie with my girlfriend.Does anyone remember the name of this movie or can recommend me some other sex/orgy filled b-movies